Duramax Lly Engine Diagram Lly duramax specifications chart. manufactured years: 2004 2006. engine design: 6.6l 90 degree v8 turbocharged diesel. transmission: 2004 2005: 5 speed auto allison transmission. 2006: 6 speed auto allison transmission. vin identification:. The lly was the second generation duramax diesel production from 2004 to 2006. it is found in chevrolet silverado and gmc sierra 2500 and 3500 pickup trucks in addition to the chevrolet kodiak and gmc topkick medium duty trucks. the 6.6l duramax lly was eventually phased out to make way for the next generation lbz during the 2006 model year.
Duramax Lly Engine Diagram The lly duramax engine diagram is an essential tool for understanding the inner workings of this powerful diesel engine. the diagram provides a visual representation of the various components and systems that make up the engine, giving mechanics and enthusiasts a better understanding of how everything fits together and functions. How to fix your lly duramax fuel pressure relief valve (fprv) problem. there are three relatively inexpensive ways to solve a poorly working duramax fuel pressure relief valve. the three fprv fixes are installing a fprv shim kit, replacing your fprv with a race fuel valve, or replacing your fprv with another oem fprv. 1. Here’s a little checklist of things you need to do check time your perform maintenance on your lly duramax. check all areas and components holding fluid or oil for leaks. check tires for signs of leaks, damage, dry rot, or uneven wear. inspect all suspension and steering components for signs of play or torn boots seals etc…. After the engine cools, open the air bleed valve on 6. then fill the coolant surge tank with the proper the thermostat housing. mixture, to slightly above the fill mark. fill with the proper mixture. add coolant until you see a steady stream of coolant coming from the bleed valve.
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